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Peer reviewed Peer reviewed
Markel, William D. – School Science and Mathematics, 1985
The concept of statistical significance is explained, with specific numerical illustrations. (MNS)
Descriptors: Educational Research, Mathematical Concepts, Probability, Research Methodology
Peer reviewed Peer reviewed
Gibney, Thomas; And Others – School Science and Mathematics, 1988
Compares the mathematical understandings of 1983-85 elementary teachers with similar teachers of two earlier testing periods. Discusses the change in the measured mathematical competency levels of preservice and inservice elementary teachers with graphs and data tables. (YP)
Descriptors: Elementary Education, Elementary School Mathematics, Longitudinal Studies, Mathematical Concepts
Peer reviewed Peer reviewed
Glass, Lynn W. – School Science and Mathematics, 1990
Examines public high school science enrollment trends in the state of Iowa. Presents enrollment data since 1978. (YP)
Descriptors: Enrollment, Enrollment Trends, School Statistics, Science Education